Exercise: Microbiology Of Soils

Questions for: Microbiology Of Soils

Denitrification is carried out
A:
usually by facultative anaerobes
B:
predominantly by Pseudomonas spp
C:
predominantly by Bacillus spp
D:
all of the above
Answer: D
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The microbial ecosystem of soil includes
A:
biotic components of soil
B:
abiotic components of soil
C:
biotic and abiotic components of soil
D:
none of the above
Answer: C
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The energy value of biogas is typically
A:
400-700 BTU/ft3
B:
1,000 BTU/ft3
C:
1500 BTU/ft3
D:
more than 5000 BTU/ft3
Answer: A
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Degree of compost maturity can be assesed by
A:
infrared technique
B:
germination test
C:
both (a) and (b)
D:
none of the above
Answer: C
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The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are
A:
Nocardia
B:
Streptomyces
C:
Micromonospora
D:
all of these
Answer: D
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